move memory functions from avcodec to avutil

Originally committed as revision 6330 to svn://svn.ffmpeg.org/ffmpeg/trunk

libavcodec/avcodec.h

@@ -35,8 +35,8 @@ extern "C" {
 #define AV_STRINGIFY(s)         AV_TOSTRING(s)
 #define AV_TOSTRING(s) #s
 
-#define LIBAVCODEC_VERSION_INT  ((51<<16)+(14<<8)+0)
-#define LIBAVCODEC_VERSION      51.14.0
+#define LIBAVCODEC_VERSION_INT  ((51<<16)+(15<<8)+0)
+#define LIBAVCODEC_VERSION      51.15.0
 #define LIBAVCODEC_BUILD        LIBAVCODEC_VERSION_INT
 
 #define LIBAVCODEC_IDENT        "Lavc" AV_STRINGIFY(LIBAVCODEC_VERSION)
@@ -2633,9 +2633,6 @@ extern AVBitStreamFilter noise_bsf;
 
 
 /* memory */
-void *av_mallocz(unsigned int size);
-char *av_strdup(const char *s);
-void av_freep(void *ptr);
 void *av_fast_realloc(void *ptr, unsigned int *size, unsigned int min_size);
 /* for static data only */
 /* call av_free_static to release all staticaly allocated tables */

libavcodec/utils.c

@@ -57,29 +57,6 @@ const uint8_t ff_reverse[256]={
 
 static int volatile entangled_thread_counter=0;
 
-void *av_mallocz(unsigned int size)
-{
-    void *ptr;
-
-    ptr = av_malloc(size);
-    if (!ptr)
-        return NULL;
-    memset(ptr, 0, size);
-    return ptr;
-}
-
-char *av_strdup(const char *s)
-{
-    char *ptr;
-    int len;
-    len = strlen(s) + 1;
-    ptr = av_malloc(len);
-    if (!ptr)
-        return NULL;
-    memcpy(ptr, s, len);
-    return ptr;
-}
-
 /**
  * realloc which does nothing if the block is large enough
  */
@@ -93,7 +70,6 @@ void *av_fast_realloc(void *ptr, unsigned int *size, unsigned int min_size)
     return av_realloc(ptr, *size);
 }
 
-
 static unsigned int last_static = 0;
 static unsigned int allocated_static = 0;
 static void** array_static = NULL;
@@ -157,16 +133,6 @@ static void do_free(void)
     av_free_static();
 }
 
-/**
- * Frees memory and sets the pointer to NULL.
- * @param arg pointer to the pointer which should be freed
- */
-void av_freep(void *arg)
-{
-    void **ptr= (void**)arg;
-    av_free(*ptr);
-    *ptr = NULL;
-}
 
 /* encoder management */
 AVCodec *first_avcodec = NULL;

libavutil/avutil.h

@@ -32,8 +32,8 @@ extern "C" {
 #define AV_STRINGIFY(s)         AV_TOSTRING(s)
 #define AV_TOSTRING(s) #s
 
-#define LIBAVUTIL_VERSION_INT   ((49<<16)+(0<<8)+0)
-#define LIBAVUTIL_VERSION       49.0.0
+#define LIBAVUTIL_VERSION_INT   ((49<<16)+(0<<8)+1)
+#define LIBAVUTIL_VERSION       49.0.1
 #define LIBAVUTIL_BUILD         LIBAVUTIL_VERSION_INT
 
 #define LIBAVUTIL_IDENT         "Lavu" AV_STRINGIFY(LIBAVUTIL_VERSION)

libavutil/common.h

@@ -403,8 +403,13 @@ tend= read_time();\
   #define DECLARE_ALIGNED(n,t,v)      __declspec(align(n)) t v
 #endif
 
+/* memory */
 void *av_malloc(unsigned int size);
 void *av_realloc(void *ptr, unsigned int size);
 void av_free(void *ptr);
 
+void *av_mallocz(unsigned int size);
+char *av_strdup(const char *s);
+void av_freep(void *ptr);
+
 #endif /* COMMON_H */

libavutil/mem.c

@@ -135,3 +135,35 @@ void av_free(void *ptr)
 #endif
 }
 
+/**
+ * Frees memory and sets the pointer to NULL.
+ * @param arg pointer to the pointer which should be freed
+ */
+void av_freep(void *arg)
+{
+    void **ptr= (void**)arg;
+    av_free(*ptr);
+    *ptr = NULL;
+}
+
+void *av_mallocz(unsigned int size)
+{
+    void *ptr;
+
+    ptr = av_malloc(size);
+    if (ptr)
+        memset(ptr, 0, size);
+    return ptr;
+}
+
+char *av_strdup(const char *s)
+{
+    char *ptr;
+    int len;
+    len = strlen(s) + 1;
+    ptr = av_malloc(len);
+    if (ptr)
+        memcpy(ptr, s, len);
+    return ptr;
+}
+